US Bridges

Schlueter RDMSS500 over Richland Creek

Good

St. Clair County, Illinois · 0.75 MI E Ill 159 · Structure no. 082412600000000

Built
1991
34 years old
Condition
Good
inspected August 2022
Type
Slab
Prestressed Concrete
Length
132 ft
3 main spans
Daily traffic
900
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Schlueter RDMSS500 over Richland Creek is a prestressed concrete slab carrying Schlueter RDMSS500 over Richland Creek in St. Clair County, Illinois. It was built in 1991, so it is 34 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 900 vehicles a day, roughly 7% of them trucks, projected to reach 1,414 by 2046. The structure is 132 ft (40.1 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesSchlueter RDMSS500
CrossesRichland Creek
Location0.75 MI E Ill 159
RouteCity Street 0
CountySt. Clair County
StateIllinois
Coordinates38.46356, -89.97054
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length132 ft (40.1 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2023)
Projected traffic1,414 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Schlueter RDMSS500 over Richland Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Schlueter RDMSS500 over Richland Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2022.

How much traffic does Schlueter RDMSS500 over Richland Creek carry?

About 900 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Schlueter RDMSS500 over Richland Creek?

The structure is 132 ft (40.1 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns Schlueter RDMSS500 over Richland Creek?

It is owned by the City or Municipal Highway Agency.